<div>
  <div class='simple-pseudo-class'></div>
  <ul>
    <li>first</li>
    <li id='second-li'>second</li>
    <li>third</li>
    <li>forth</li>
    <li>fifth</li>
  </ul>
</div>
<style scoped>
  .simple-pseudo-class:before {
    content: "before";
  }

  ul > li:not(:nth-child(1)):not(:nth-child(3)) {
    color: rgb(255, 0, 0);
  }
</style>
